AirHint found the following cheapest return flights from Lisbon (LIS) to Hanoi (HAN) in December 2025 (see full year).

Return flights

13 Dec - 28 Dec	Ryanair
06 Dec - 16 Dec	Ryanair
13 Dec - 27 Dec	Ryanair
02 Dec - 09 Dec	Ryanair
16 Dec - 23 Dec	Vueling Airlines
13 Dec - 29 Dec	Ryanair
01 Dec - 13 Dec	Ryanair
28 Dec - 12 Jan	Ryanair
12 Dec - 25 Dec	Aegean Airlines
05 Dec - 13 Dec	easyJet
27 Dec - 13 Jan	Ryanair
27 Dec - 10 Jan	Ryanair
09 Dec - 19 Dec	Ryanair
31 Dec - 11 Jan	easyJet
29 Dec - 13 Jan	Wizz Air Malta
28 Dec - 11 Jan	Ryanair
24 Dec - 10 Jan	Air Europa
25 Dec - 10 Jan	Pegasus Airlines
26 Dec - 06 Jan	Wizz Air Malta
26 Dec - 10 Jan	Wizz Air Malta

Also check the deals for one-way flights from Lisbon to Hanoi in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Lisbon to Hanoi in December from 619€

Return flights